Abstract
Herein, we report the theoretical investigation to understand the role of size-dependent damping (SDD) due to electron–surface scattering on the Al nanoparticle-based deep ultraviolet surface-enhanced fluorescence. First, the absorption spectra and electric field enhancement (EFE) inside and outside Al nanoparticles of different sizes are plotted without and with considering SDD. Later, the role of SDD on the near- and far-field plasmonic properties of Au and Ag nanoparticles of different sizes is investigated for comparison. Finally, Al nanoparticle-based SEF enhancement is estimated for different nanoparticle sizes, emission wavelengths, and separations between nanoparticle and fluorophore without and with considering the SDD.
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